Central telephone directory assistance

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HRZ provides central telephone directory assistance. This is the point of contact for the entire university and college region in Darmstadt.

We offer

  • Telephone redirection
  • Information about locations (e.g. for suppliers and vendors, who are looking for specific buildings etc.)
  • Telephone services for non-domestic calls (only for employees)

You can reach us via

06151 16-01
Mo – Thu:
08:00 – 16:30 o'clock
08:00 – 14:00 o'clock

Callers who do not know any number that is assigned to our college and university region, or who might be calling a number that is no longer in service, will automatically be redirected to HRZ central directory assistance.

You can also search for telephone numbers, which is located within our college and university region, via online-search.

Note: The online-search is only available internally, i.e. in the network of the University Region Darmstadt.

The university and college region in Darmstadt include